new string format for schedule for legibility (apache#8)

Author: tmoreau89

vta/python/vta/top/vta_conv2d.py

@@ -379,7 +379,7 @@ def _traverse(op):
         pad_data = None
     wrkld = _get_workload(data, pad_data, kernel, output)
     if planStr:
-      matchObj = re.match( r'b(\d+)oc(\d+)ic(\d+)h(\d+)w(\d+)oc_t(\d+)h_t(\d+)', sched_str)
+      matchObj = re.match( r'b(\d+)_oc(\d+)_ic(\d+)_h(\d+)_w(\d+)_oct(\d+)_ht(\d+)', sched_str)
       b_factor = int(matchObj.group(1))
       oc_factor = int(matchObj.group(2))
       ic_factor = int(matchObj.group(3))